American Mathematical Society (AMS)
e-MATH, the home of the AMS on the Web. A searchable site with information on members and activities, government affairs and education, publications and research tools, employment and careers, authors and reviewers, meetings and conferences, what's new
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American Statistical Association (ASA)
A scientific and educational society founded in 1839 to foster excellence in the use and application of statistics to the biological, physical, social and economic sciences. The ASA publishes journals, conducts scientific conferences, fosters a continuing
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Amortization Calculator - Quoteserv
A mortgage calculator for calculating the total cost of a loan, including monthly payments and amortization. Complete breakdown of payments month by month, with great detail.
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The Analemma -
Bob Urschel, Valparaiso, IN
The figure-8 path that the sun makes in the sky is called the analemma. This site explores the paths of the sun and the earth, with investigations into the effects and the math of their elliptical orbits and earth's tilt, and a summation.
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AnalyCorp
XLSim, analytical business modeling in Excel; INSIGHT.xla, software for Monte Carlo simulation, forecasting, and optimization, with seminars in the application.
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Analysis & Knowledge - Sanford Aranoff
Download data analysis software, such as Patterns, which analyzes and charts trends in stock market using Andrews concepts. See also this former Rutgers University physics professor and current high school educator's thoughts on teaching and help file
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Analysis - Math Forum
Links to some of the best Internet resources for analysis: Web sites, software, Internet projects, publications, and public forums for discussion.
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The Analyst - George Berkeley
A text based on the 1898 edition of the works of George Berkeley, edited by George Sampson, incorporating a small number of changes. Many mathematicians published replies to Berkeley's attack on contemporary mathematical practice in The Analyst. Included
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The Analytical Engine - John Walker
The mathematician Charles Babbage designed an Analytical Engine, a mechanical precursor to the computer, in the late 1800s. Read historical documents related to the Engine, including Blaise Pascal's account of his mechanical adding machine (in French),
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The Analytical Group, Inc.
A site that offers a full range of tabulation and statistical services; survey centers, and interviewing and tabulation software: including Query/WinQuery computer-aided telephone and personal interviewing (CATI) software, and WinCross, advanced crosstabulation
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AngryMath - Daniel R. Collins
Blog by an adjunct math lecturer at Kingsborough Community College who believes that "Math is a battle. It is a battle that feels like it must be fought ...," and for whom "math isn't beautiful or fun, but it is powerful, and that's what we need from
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Anisohedral Tilings Page - John Berglund
Tilings and tessellatings with 2-anisohedral and other isohedral tilings. With explanations and a bibliography. Berglund's JavaSketchpad applets include circles in a lattice shape; affine polygons, which extends Napoleon's theorem from a triangle to a
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Another Record Prime - Ivars Peterson (MathLand)
This time, it didn't take a supercomputer. The new record for the largest known prime number goes to someone using a Pentium-powered desktop machine. Joel Armengaud, a computer programmer working for Apsylog in Paris, made the discovery on Nov. 13 and
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Apophenia - Ben Klemens
An open statistical library for C. Similar to other statistics packages in function, Apophenia does not commit the user to an ad hoc language or environment, but rather keeps data in a database. Download the library, or contribute your own routines.
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Appealing Numbers - Ivars Peterson (MathTrek)
A short history of amicable numbers - pairs in which each number is the sum of the proper divisors of the other. The smallest such pair is 220 and 284. The number 220 is evenly divisible by 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, and 110, which add up to
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